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Rod Bearings

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  1. Using Plastigage, measure rod bearing oil clearance. Tighten bearing cap to 24 ft. lbs. (32 N.m). If oil clearance is incorrect, install a new bearing set (same color code) and recheck oil clearance. See CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS table under ENGINE SPECIFICATIONS. DO NOT shim or file cap to adjust oil clearance.
  2. If oil clearance is still incorrect, try the next larger or smaller bearing. Measure oil clearance again. If correct oil clearance cannot be obtained by using larger or smaller bearings, replace crankshaft and repeat procedure.
NOTE: A number code indicating connecting rod big end bore is stamped on side of each connecting rod and cap. Connecting rod journal diameter codes (letters) are stamped on crankshaft counterweight pads. See Fig 1 . Use both codes when ordering replacement bearings.
Fig 1: Connecting Rod Journal & Bearing Identification Codes
G91E01412Courtesy of AMERICAN HONDA MOTOR CO., INC.
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